Compress M4A Files Online — Fast & Free

How to Easily Compress M4A Files

01
Sign Up and Upload Your M4A File
Create a Descript account and start a new project. Then drag your M4A file into the project window. Descript automatically processes the file, so it's ready for compression and editing.
02
Adjust Export Settings for Optimal Quality
After the file is processed, go to the export settings. Think of these controls as an audio size reducer M4A tool—pick a smaller size for quick sharing or a higher bitrate for advanced tasks. It's all within reach.
03
Publish and Export Your Compressed M4A File
Once you've made your adjustments, select 'Publish' and open the 'Export' tab. Choose the export settings you want, then click 'Export' to save the compressed M4A file to your chosen folder. Your audio is now ready to share.

Effortlessly Compress M4A Files with Descript

Resize, crop, and compress GIFs in seconds
Descript offers quick resizing, cropping, and compression for GIFs. Whether you're compressing M4A or customizing GIFs, Descript simplifies tasks so you can move faster. Adapt your media to match any platform’s specs and keep your projects share-ready.
Multiple ways to reduce GIF sizes
Descript provides various methods for reducing GIF file sizes, so your compressed M4A files can also feature lighter visuals. Keep your media high-quality yet compact, making it simpler to share and organize. Maintain a steady workflow with Descript’s compression tools.
Create GIFs from images and videos
Transform images and videos into GIFs with Descript. Along the way, you can also compress M4A files, adding lightweight audio to your dynamic visuals. Make your presentations and social media updates more engaging so your audience remains captivated.

More than a file compressor

Descript is an AI-powered audio and video editor that makes podcast and video edits as simple as editing text.

Multi-track editor
Compress M4A files while using Descript’s multi-track editor for precise audio adjustments and smooth editing.
Studio Sound
Enhance compressed M4A files with Descript’s Studio Sound, resulting in clear, high-quality audio for every project.
Transcription
Transcribe your compressed M4A files with Descript, smartly converting audio into text for quick editing and sharing.
Filler word removal
Remove filler words from M4A files, creating a polished, professional sound with Descript.

Don’t just take our word for it

With a 4.6-out-of-5-star rating and a bunch of distinctions on G2, Descript’s users have declared it an industry standard in the video and podcasting world.

2025

Best Software

Video Editing

Text to Speech

Screen and Video Capture

“With Descript I'll be able to at least double my content output since editing is taking one-quarter the time it used to.”

Donna B.

“With Descript we can create videos for our YouTube channel and our LinkedIn page much faster and with high quality.”

Balázs N.

“Descript has made cleaning up and creating my educational videos into professional presentations [possible] without needing extensive technical computer skills.”

Barbara C.

“Descript makes recording and editing audio and video a breeze. It's advanced features have streamlined my workflows, saving me a lot of time usually spent editing.”

Roderick F.

“The collaborative tools streamline teamwork, allowing my team and me to work efficiently together on projects. Overall, Descript enhances productivity and simplifies the editing process.”

Aldrich M.

“Transcription based editing makes the process much faster…All in all, a must have editor for most audiences, especially in SaaS marketing.”

Nidhin M.

Surely there’s one for you

Free

no credit card required

Start your journey with text-based editing

Get started

1 transcription hour / month

Export 720p, with watermarks

Limited trial of Basic AI Actions

Limited trial of AI Speech

Hobbyist

$16

per person / month, billed annually

Elevate your projects, watermark-free

Get started

10 transcription hours / month

Export 1080p, watermark-free

20 uses / month of Basic AI Actions suite including Filler Word Removal, Studio Sound, Draft Show Notes, Create Clips, and more

30 minutes / month of AI speech with stock AI speakers and custom voice clones

5 minutes / month of avatars

Questions? We have answers

What audio quality can I expect after compressing M4A files with this tool?
After compressing M4A files here, you'll get high audio quality with minimal loss. This approach keeps the integrity of the original sound, so your compressed files stay clear and detailed.
Are there any limitations on the file size or duration when compressing M4A files?
There are typically no strict size or length limits. Very large files or extended audio may take longer to process. Check the tool’s guidelines if you want more details on performance.
What pricing plans does Descript offer for individual users and teams?
Descript provides a range of pricing options for individuals and teams. Individuals can choose a free tier or a Pro plan, while teams may want the Enterprise plan with advanced features and custom setups. Visit the Descript Pricing page for more info.
Does Descript support collaboration features for team projects?
Yes. Descript supports real-time collaboration for teams. Multiple users can edit, comment, and share files together, which keeps group audio and video projects on track.